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| Criterion |  Product Discovery Solution Interview |  Innovation Design Sprint |  Innovation TRIZ |  Innovation Morphological Analysis |
|---|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 30-60 min je Interview | 4-5 Tage | 1-4 h | 1-3 h |
Participantsdifferent | 5-10 Interviews | 5-8 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Prototype, Test Findings, Decision Rationale | Contradiction Statement, Inventive Principles, Solution Concepts | Morphological Box, Concept Combinations, Idea Shortlist |
Tagsno overlap | ValidationInterviewsPrototype | Design sprintPrototypeValidationInnovation | InnovationProblem solvingContradictionsCreativity | IdeationInnovationCreativity |